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Article

The Effect of Active Plus, a Computer-Tailored Physical Activity Intervention, on the Physical Activity of Older Adults with Chronic Illness(es)—A Cluster Randomized Controlled Trial

1
Faculty of Psychology, Open University of The Netherlands, 6419 AT Heerlen, The Netherlands
2
Faculty of Educational Sciences, Open University of The Netherlands, 6419 AT Heerlen, The Netherlands
3
Nutrition and Translational Research in Metabolism (School NUTRIM), Maastricht University, 6200 MD Maastricht, The Netherlands
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(7), 2590; https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17072590
Received: 3 March 2020 / Revised: 1 April 2020 / Accepted: 9 April 2020 / Published: 10 April 2020
(This article belongs to the Special Issue Physical Exercise and Chronic Diseases Prevention)
eHealth interventions aimed at improving physical activity (PA) can reach large populations with few resources and demands on the population as opposed to centre-based interventions. Active Plus is a proven effective computer-tailored PA intervention for the older adult population focusing on PA in daily life. This manuscript describes the effects of the Active Plus intervention (N = 260) on PA of older adults with chronic illnesses (OACI), compared to a waiting list control group (N = 325). It was part of a larger randomized controlled trial (RCT) on the effects of the Active Plus intervention on cognitive functioning. OACI (≥65 years) with at least one chronic illness were allocated to one of the conditions. Intervention group participants received PA advice. Baseline and follow-up measurements were assessed after 6 and 12 months. Intervention effects on objectively measured light PA (LPA) and moderate-to-vigorous PA (MVPA) min/week were analysed with multilevel linear mixed-effects models adjusted for the clustered design. Intervention effects on self-reported MVPA min/week on common types of PA were analysed with two-part generalized linear mixed-effects models adjusted for the clustered design. The dropout rate was 19.1% after 6 months and 25.1% after 12 months. Analyses showed no effects on objectively measured PA. Active Plus increased the likelihood to perform self-reported cycling and gardening at six months and participants who cycled increased their MVPA min/week of cycling. Twelve months after baseline the intervention increased the likelihood to perform self-reported walking and participants who cycled at 12 months increased their MVPA min/week of cycling. Subgroup analyses showed that more vulnerable participants (higher degree of impairment, age or body mass index) benefitted more from the intervention on especially the lower intensity PA outcomes. In conclusion, Active Plus only increased PA behaviour to a limited extent in OACI 6 and 12 months after baseline measurements. The Active Plus intervention may yet be not effective enough by itself in OACI. A blended approach, where this eHealth intervention and face-to-face contact are combined, is advised to improve the effects of Active Plus on PA in this target group. View Full-Text
Keywords: ageing; accelerometer; self-report; randomized intervention; chronic disease; physical activity promotion; eHealth ageing; accelerometer; self-report; randomized intervention; chronic disease; physical activity promotion; eHealth
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MDPI and ACS Style

Volders, E.; Bolman, C.A.W.; de Groot, R.H.M.; Verboon, P.; Lechner, L. The Effect of Active Plus, a Computer-Tailored Physical Activity Intervention, on the Physical Activity of Older Adults with Chronic Illness(es)—A Cluster Randomized Controlled Trial. Int. J. Environ. Res. Public Health 2020, 17, 2590. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17072590

AMA Style

Volders E, Bolman CAW, de Groot RHM, Verboon P, Lechner L. The Effect of Active Plus, a Computer-Tailored Physical Activity Intervention, on the Physical Activity of Older Adults with Chronic Illness(es)—A Cluster Randomized Controlled Trial. International Journal of Environmental Research and Public Health. 2020; 17(7):2590. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17072590

Chicago/Turabian Style

Volders, Esmee; Bolman, Catherine A.W.; de Groot, Renate H.M.; Verboon, Peter; Lechner, Lilian. 2020. "The Effect of Active Plus, a Computer-Tailored Physical Activity Intervention, on the Physical Activity of Older Adults with Chronic Illness(es)—A Cluster Randomized Controlled Trial" Int. J. Environ. Res. Public Health 17, no. 7: 2590. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17072590

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